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When measles was introduced to southern Greenland, an area where the disease had not been endemic previously, it spread rapidly: only five people from an unprotected population of 4,262 escaped the disease, so that it had a final attack rate of 99.9%. However, quick efforts made in Denmark to provide gamma globulin (a type of blood protein—in this case, rich in antibodies) to Greenland had some success: patients receiving gamma globulin had a lower case fatality rate from the disease than those who did not.

Diseases & Vaccines